Chervil moth
How to get rid of the moth
The caterpillars of the chervil moth feed mainly on the plants during the flowering season (May-August).
Treatment

In case of infestation, the caterpillars should be collected and the green parts of the plant sprayed with wormwood, tansy or tomato leaf tea or dusted with (algae) lime.
Affected plants
chervil, but also other members of the wild cabbage family (wild herbs)
By Hectonichus - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=81273011